The Diamond Resorts Invitational was a PGA Tour Champions Challenge Season event and celebrity golf tournament, played at Tranquilo Golf Club at Four Seasons in Orlando, Florida and benefited Florida Hospital for Children. The tournament began as a celebrity-only tournament in 2013 and in 2017, the tournament was made a PGA Tour Champions Challenge Season event. The 2018 event featured a field of 28 PGA Tour Champions and 4 LPGA Tour professionals, and 50 celebrity amateur golfers. The tournament was a no cut 54-hole event, and used the Modified Stableford scoring system. Over the years, the tournament helped raise more than $3.1 million for Florida Hospital for Children.